#include<stdio.h>
int main()
{
	int f = 1;
	while (f)
	{
		printf("1  %d", f);
		break;
	}
	printf("\n");
	while (f!=0)
	{
		printf("2  %d", f);
		break;
	}
	printf("\n");
	while (f==0 )
	{
		printf("3  %d", f);
		break;
	}
	printf("\n");
}